Finding the Fourth Proportional to 555,225,566.22, 766,211,289.62 and 307,722,863.70
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Solution
The fourth proportional to 555,225,566.22, 766,211,289.62 and 307,722,863.70 is: 424,657,556.47
Step by Step Solution
- Step 1: Write the proportion equation
555,225,566.22 : 766,211,289.62 = 307,722,863.70 : x - Step 2: Convert to fraction form
555,225,566.22/766,211,289.62 = 307,722,863.70/x - Step 3: Cross multiply
555,225,566.22x = 766,211,289.62 × 307,722,863.70 - Step 4: Simplify right side
555,225,566.22x = 235,780,732,239,597,856 - Step 5: Solve for x
x = 235,780,732,239,597,856/555,225,566.22 - Step 6: Final answer
x = 424,657,556.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.